Build (method = -2) #dp: 2004 Step-3' Graph: 98 vertices and 323 arcs (0.01s) Step-4' Graph: 53 vertices and 233 arcs (0.01s) #V4/#V3 = 0.54 #A4/#A3 = 0.72 Ready! (0.01s) Optimize a model with 63 rows, 234 columns and 606 nonzeros Presolve removed 19 rows and 33 columns Presolve time: 0.00s Presolved: 44 rows, 201 columns, 556 nonzeros Variable types: 0 continuous, 201 integer (0 binary) Found heuristic solution: objective 721.0000000 Optimize a model with 44 rows, 201 columns and 556 nonzeros Presolved: 44 rows, 201 columns, 556 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 2.840e+02 Factor NZ : 7.090e+02 Factor Ops : 1.351e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.30128866e+03 -2.09073751e+04 1.38e+04 1.11e-16 3.50e+02 0s 1 1.31801963e+03 -9.35642985e+03 1.50e+03 8.88e-16 5.16e+01 0s 2 6.39739580e+02 -2.31881299e+03 1.63e+02 6.66e-16 8.81e+00 0s 3 4.12843916e+02 -4.40886375e+02 4.90e+01 8.88e-16 2.29e+00 0s 4 2.25659736e+02 -1.45278544e+02 1.16e+01 3.26e-16 9.39e-01 0s 5 1.60671862e+02 2.25610183e+01 3.69e+00 4.23e-16 3.45e-01 0s 6 1.52398746e+02 1.15212067e+02 2.23e+00 3.33e-16 9.46e-02 0s 7 1.45465385e+02 1.37300190e+02 1.94e-13 2.22e-16 1.98e-02 0s 8 1.43009372e+02 1.42691247e+02 3.03e-13 4.19e-16 7.72e-04 0s 9 1.42857152e+02 1.42857119e+02 7.17e-14 2.95e-16 8.00e-08 0s 10 1.42857143e+02 1.42857143e+02 1.44e-13 3.63e-16 8.00e-11 0s Barrier solved model in 10 iterations and 0.00 seconds Optimal objective 1.42857143e+02 Root relaxation: objective 1.428571e+02, 148 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 142.85714 0 13 721.00000 142.85714 80.2% - 0s H 0 0 143.0000000 142.85714 0.10% - 0s Explored 0 nodes (217 simplex iterations) in 0.01 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.430000000000e+02, best bound 1.430000000000e+02, gap 0.0% Preprocessing time: 0.02 seconds Gurobi run time: 0.01 seconds Total run time: 0.03 seconds Objective: 143 Solution: 1 x [1, 2, 3, 4, 7, 8] 25 x [1, 2, 3, 4, 4, 7, 8] 5 x [1, 1, 1, 2, 3, 8, 10] 53 x [1, 1, 3, 5, 8, 9, 10] 11 x [1, 1, 1, 6, 7, 8, 9] 1 x [1, 3, 6, 8, 8, 9, 10] 2 x [1, 1, 6, 8, 8, 9, 10] 10 x [1, 1, 1, 3, 8, 8, 9] 35 x [1, 1, 3, 6, 8, 8, 8]